pfSense

Sync up these bug fixes from the upstream FreeBSD net/dhcp6 port for the WIDE DHCPv6 client..

http://article.gmane.org/gmane.os.freebsd.devel.cvs.ports/360377

Add patches to fix the following bugs:

- Fix renewal of IA_NA [*]
   - Update ifid on interface restart, it may have changed [*]

Obtained from:    Debian/Ubuntu/Fedora/Red Hat packages via OpenBSD [*]
  Suggested by:    Brad Smith [*]

https://svnweb.freebsd.org/ports/head/net/dhcp6/files/patch-addrconf.c?revision=405271&view=co
https://svnweb.freebsd.org/ports/head/net/dhcp6/files/patch-dhcp6c.c?revision=405216&view=co

for the later commit its this chunk...

@ -763,6 +770,15 @ client6_ifctl(ifname, command)

switch(command) {
     case DHCP6CTL_COMMAND_START:
+        /*
+         * The ifid might have changed, so reset it before releasing the
+         * lease.
+         */
+        if (ifreset(ifp)) {
+            dprintf(LOG_NOTICE, FNAME, "failed to reset %s",
+                ifname);
+            return (-1);
+        }
         free_resources(ifp);
         if (client6_start(ifp)) {
             dprintf(LOG_NOTICE, FNAME, "failed to restart %s",